diff options
| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | class.c | 3 | ||||
| -rw-r--r-- | test/ruby/test_class.rb | 2 |
3 files changed, 10 insertions, 0 deletions
@@ -1,3 +1,8 @@ +Sun Feb 7 00:23:21 2010 Shugo Maeda <shugo@ruby-lang.org> + + * class.c (rb_class_init_copy): raise a TypeError if the argument is + BasicObject. [ruby-core:27060] + Sat Feb 6 23:37:11 2010 Shugo Maeda <shugo@ruby-lang.org> * lib/net/ftp.rb (initialize): set @sock to a NullSocket instance to @@ -180,6 +180,9 @@ rb_mod_init_copy(VALUE clone, VALUE orig) VALUE rb_class_init_copy(VALUE clone, VALUE orig) { + if (orig == rb_cBasicObject) { + rb_raise(rb_eTypeError, "can't copy the root class"); + } if (RCLASS_SUPER(clone) != 0 || clone == rb_cBasicObject) { rb_raise(rb_eTypeError, "already initialized class"); } diff --git a/test/ruby/test_class.rb b/test/ruby/test_class.rb index b444d4e8ab..3a0ced8be7 100644 --- a/test/ruby/test_class.rb +++ b/test/ruby/test_class.rb @@ -181,6 +181,8 @@ class TestClass < Test::Unit::TestCase o = Object.new c = class << o; self; end assert_raise(TypeError) { c.dup } + + assert_raise(TypeError) { BasicObject.dup } end def test_singleton_class |